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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.612 by root, Wed Nov 21 12:47:09 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
54	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
55	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
56	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
57		96
58	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
59	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
60		101
61	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
62	our $DATADIR = datadir;	104	our $DATADIR = datadir;
63	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
64	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
65	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
66	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
67	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
71	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
72		125
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
78	our $NOW;	144	our $NOW;
79	our $USE_FSYNC = 1; # use fsync to write maps - default off
80		145
81	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
82	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
83
84	our %CFG;
85
86	our $UPTIME; $UPTIME ||= time;
87	our $RUNTIME;
88
89	our %PLAYER; # all users
90	our %MAP; # all maps
91	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
92		149
93	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95		152
96	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
97	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
98	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
99		165
100	binmode STDOUT;	166	binmode STDOUT;
101	binmode STDERR;	167	binmode STDERR;
102		168
103	# read virtual server time, if available	169	# read virtual server time, if available
104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
105	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
106	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
107	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
108	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
109		177
110	mkdir $_	178	mkdir $_
111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
112		180
113	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
114		182
115	sub cf::map::normalise;	183	sub cf::map::normalise;
116		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
117	#############################################################################	189	#############################################################################
118		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
119	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
120		203
121	=over 4	204	=over 4
122		205
123	=item $cf::UPTIME	206	=item $cf::UPTIME
124		207
125	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
126		224
127	=item $cf::RUNTIME	225	=item $cf::RUNTIME
128		226
129	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
130	every server tick.	228	every server tick.
131		229
132	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
133	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
134	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
135		233
136	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
137	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
138	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
139	database environment.	237	database environment.
140		238
141	=item $cf::NOW
142
143	The time of the last (current) server tick.
144
145	=item $cf::TICK
146
147	The interval between server ticks, in seconds.
148
149	=item $cf::LOADAVG	239	=item $cf::LOADAVG
150		240
151	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
152	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
153	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
156		246
157	The raw value load value from the last tick.	247	The raw value load value from the last tick.
158		248
159	=item %cf::CFG	249	=item %cf::CFG
160		250
161	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162	from wherever your confdir points to.	252	from wherever your confdir points to.
163		253
164	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
165		255
166	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
167	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
168	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
169		289
170	=back	290	=back
171		291
172	=cut	292	=cut
173		293
174	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
175	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
176	my $msg = join "", @_;	301	my $msg = join "", @_;
177		302
178	$msg .= "\n"	303	$msg .= "\n"
179	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
180		305
181	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
182		307
183	utf8::encode $msg;
184	LOG llevError, $msg;	308	LOG llevWarn, $msg;
185	};	309	};
186	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
187		324
188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
198	for my $pkg (qw(	335	for my $pkg (qw(
199	cf::global cf::attachable	336	cf::global cf::attachable
200	cf::object cf::object::player	337	cf::object cf::object::player
201	cf::client cf::player	338	cf::client cf::player
202	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
203	cf::map cf::party cf::region	341	cf::party cf::region
204	)) {	342	)) {
205	no strict 'refs';
206	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207	}	344	}
208		345
209	$Event::DIED = sub {	346	$EV::DIED = sub {
210	warn "error in event callback: @_";	347	warn "error in event callback: $@";
211	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
212		354
213	#############################################################################	355	#############################################################################
214		356
215	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
216		358
…		…
237	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
238	$d	380	$d
239	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
240	}	382	}
241		383
242	use JSON::XS ();	384	=item $scalar = cf::load_file $path
243		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
244	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
245		437
246	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
247		439
248	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
249		441
250	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
251		443
252	=cut	444	=cut
253		445
254	our $json_coder = JSON::XS->new->convert_blessed->utf8;	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		447
256	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
258		512
259	=item cf::lock_wait $string	513	=item cf::lock_wait $string
260		514
261	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
262		516
263	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
264		518
265	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
268	returned.	522	returned.
269		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
270	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
272		529
273	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
274		531
275	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
276		533
277	=cut	534	=cut
278		535
279	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
280		537
281	sub lock_wait($) {	538	sub lock_wait($) {
282	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	540	}
290		541
291	sub lock_acquire($) {	542	sub lock_acquire($) {
292	my ($key) = @_;	543	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	544	}
304		545
305	sub lock_active($) {	546	sub lock_active($) {
306	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	548	}
310		549
311	sub freeze_mainloop {	550	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
313		552
314	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
316	};	623	}
317	$TICK_WATCHER->stop;	624	};
318	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
319	}	639	}
320		640
321	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
322		642
323	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		648
329	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
330		650
331	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
332		652
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	656	acceptable.
337		657
338	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	663	=cut
344		664
345	sub sync_job(&) {	665	sub sync_job(&) {
346	my ($job) = @_;	666	my ($job) = @_;
347		667
348	if ($Coro::current == $Coro::main) {	668	if (in_main) {
349	my $time = Event::time;	669	my $time = AE::time;
350		670
351	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
353		673
354	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	675
356	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
357		677
358	my $busy = 1;	678	my $busy = 1;
359	my @res;	679	my @res;
360		680
361	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	683	@res = eval { $job->() };
363	warn $@ if $@;	684	error $@ if $@;
364	undef $busy;	685	undef $busy;
365	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
366		687
367	while ($busy) {	688	while ($busy) {
368	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
369	}	693	}
		694	}
370		695
371	$time = Event::time - $time;	696	my $time = AE::time - $time;
372		697
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
377		699
378	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
379	} else {	701	} else {
380	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
381		703
…		…
401	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
402		724
403	$coro	725	$coro
404	}	726	}
405		727
406	=item fork_call { }, $args	728	=item fork_call { }, @args
407		729
408	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
412		734
413	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
414		740
415	sub fork_call(&@) {	741	sub fork_call(&@) {
416	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
417		743
418	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	my @res = Coro::Util::fork_eval {
419	# or die "socketpair: $!";	745	cf::post_fork;
420	pipe my $fh1, my $fh2	746	&$cb
421	or die "pipe: $!";	747	} @args;
422		748
423	if (my $pid = fork) {	749	wantarray ? @res : $res[-1]
424	close $fh2;	750	}
425		751
426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	sub objinfo {
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	die $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;
436	local $SIG{__WARN__};
437	local $SIG{__DIE__};
438	eval {
439	close $fh1;
440
441	my @res = eval { $cb->(@args) };
442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
443	};
444
445	warn $@ if $@;
446	_exit 0;
447	}	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
448	}	788	}
449		789
450	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
451		791
452	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
454	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
455		795
456	Stores the given C<$value> in the family. It can currently store binary	796	Stores the given C<$value> in the family. It can currently store binary
457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
458		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
459	=cut	804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
460		825
461	our $DB;	826	our $DB;
462		827
463	sub db_init {	828	sub db_init {
464	unless ($DB) {	829	$DB ||= db_table "db";
465	$DB = BDB::db_create $DB_ENV;
466
467	cf::sync_job {
468	eval {
469	$DB->set_flags (BDB::CHKSUM);
470
471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473	cf::cleanup "db_open(db): $!" if $!;
474	};
475	cf::cleanup "db_open(db): $@" if $@;
476	};
477	}
478	}	830	}
479		831
480	sub db_get($$) {	832	sub db_get($$) {
481	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
482		834
483	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
484	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
485		839
486	$! ? ()	840	$! ? ()
487	: $data	841	: $data
488	}
489	}	842	}
490		843
491	sub db_put($$$) {	844	sub db_put($$$) {
492	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
521		874
522	my @data;	875	my @data;
523	my $md5;	876	my $md5;
524		877
525	for (0 .. $#$src) {	878	for (0 .. $#$src) {
526	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
527	or Carp::croak "$src->[$_]: $!";
528	}	880	}
529		881
530	# if processing is expensive, check	882	# if processing is expensive, check
531	# checksum first	883	# checksum first
532	if (1) {	884	if (1) {
533	$md5 =	885	$md5 =
534	join "\x00",	886	join "\x00",
535	$processversion,	887	$processversion,
536	map {	888	map {
537	Coro::cede;	889	cf::cede_to_tick;
538	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
539	} 0.. $#$src;	891	} 0.. $#$src;
540		892
541		893
542	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
545		897
546	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
547	}	899	}
548	}	900	}
549		901
550	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
551	my $data = $process->(\@data);	903	my $data = $process->(\@data);
552	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
553		905
554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
555		907
556	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
557	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
558	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
559		911
…		…
569		921
570	=cut	922	=cut
571		923
572	sub datalog($@) {	924	sub datalog($@) {
573	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
574	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
575	}	927	}
576		928
577	=back	929	=back
578		930
579	=cut	931	=cut
580		932
581	#############################################################################	933	#############################################################################
582		934
583	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
584		936
585	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
586	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
587	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
588		940
589	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
590	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
591	Crossfire TRT).	943	Deliantra).
592		944
593	=over 4	945	=over 4
594		946
595	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
596		948
…		…
640	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
641		993
642	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
643	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
644		996
645	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
646	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
647		999
648	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
649		1001
650	=over 4	1002	=over 4
…		…
774		1126
775	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
776	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
777		1129
778	} elsif (ref $type) {	1130	} elsif (ref $type) {
779	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
780		1132
781	} else {	1133	} else {
782	shift @arg;	1134	shift @arg;
783	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
784	}	1136	}
785	}	1137	}
786	}	1138	}
787		1139
788	sub _object_attach {	1140	sub _object_attach {
…		…
798	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
799	}	1151	}
800		1152
801	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
802	} else {	1154	} else {
803	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
804	}	1156	}
805		1157
806	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
807	}	1159	}
808		1160
…		…
848	";	1200	";
849	die if $@;	1201	die if $@;
850	}	1202	}
851		1203
852	our $override;	1204	our $override;
853	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
854		1206
855	sub override {	1207	sub override {
856	$override = 1;	1208	$override = 1;
857	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
858	}	1210	}
859		1211
860	sub do_invoke {	1212	sub do_invoke {
861	my $event = shift;	1213	my $event = shift;
862	my $callbacks = shift;	1214	my $callbacks = shift;
863		1215
864	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
865		1217
866	local $override;	1218	local $override;
867		1219
868	for (@$callbacks) {	1220	for (@$callbacks) {
869	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
870		1222
871	if ($@) {	1223	if ($@) {
872	warn "$@";
873	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
874	override;	1225	override;
875	}	1226	}
876		1227
877	return 1 if $override;	1228	return 1 if $override;
878	}	1229	}
879		1230
880	0	1231	0
881	}	1232	}
882		1233
883	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884		1235
885	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886		1237
887	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
888		1239
889	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
890	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
891	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892		1243
893	=back	1244	=back
894		1245
895	=cut	1246	=cut
896		1247
897	#############################################################################	1248	#############################################################################
898	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
899		1292
900	sub reattach {	1293	sub reattach {
901	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
902	my ($obj) = @_;	1295	my ($obj) = @_;
903		1296
		1297	# no longer needed after getting rid of delete_package?
904	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
905		1299
906	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
907		1301
908	@$registry = ();	1302	@$registry = ();
909		1303
…		…
914	for (@$attach) {	1308	for (@$attach) {
915	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
916	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
917	}	1311	}
918	} else {	1312	} else {
919	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
920	}	1314	}
921	}	1315	}
922	}	1316	}
923		1317
924	cf::attachable->attach (	1318	cf::attachable->attach (
925	prio => -1000000,	1319	prio => -1000000,
926	on_instantiate => sub {	1320	on_instantiate => sub {
927	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
928		1322
929	$data = from_json $data;	1323	$data = decode_json $data;
930		1324
931	for (@$data) {	1325	for (@$data) {
932	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
933		1327
934	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
950	sub object_freezer_save {	1344	sub object_freezer_save {
951	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
952		1346
953	sync_job {	1347	sync_job {
954	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
955	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
956	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
957		1353
958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
962	close $fh;	1361	aio_close $fh;
963		1362
964	if (@$objs) {	1363	if (@$objs) {
965	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
966	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
967	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
969	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
970	close $fh;	1372	aio_close $fh;
971	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
972	}	1374	}
973	} else {	1375	} else {
974	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
975	}	1377	}
976		1378
977	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
978	} else {	1383	} else {
979	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
980	}	1385	}
981	} else {	1386	} else {
982	aio_unlink $filename;	1387	aio_unlink $filename;
983	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
984	}	1389	}
985	}	1390	};
986	}	1391	}
987		1392
988	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
989	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
990		1395
…		…
1002	or return;	1407	or return;
1003		1408
1004	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1005	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1006	or return;	1411	or return;
		1412
1007	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1008	}	1415	}
1009		1416
		1417	utf8::decode (my $decname = $filename);
1010	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1011	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1012	return ($data, $av);	1422	($data, $av)
1013	}	1423	}
1014		1424
1015	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1016		1426
1017	=over 4	1427	=over 4
…		…
1019	=cut	1429	=cut
1020		1430
1021	#############################################################################	1431	#############################################################################
1022	# command handling &c	1432	# command handling &c
1023		1433
1024	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1025		1435
1026	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1027	$name.	1437	$name.
1028		1438
1029	=cut	1439	=cut
…		…
1035	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1036		1446
1037	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1038	}	1448	}
1039		1449
1040	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1041		1451
1042	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1043	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1044	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1045	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1046	has logged in successfully.	1456	has logged in successfully.
1047		1457
1048	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1049	called.
1050		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1051	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1052		1466
1053	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1054	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1055	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1056	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1057	log-in.	1471	log-in.
1058		1472
1059	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1060	called.
1061		1474
1062	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1063		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1064	sub register_extcmd {	1482	sub register_extcmd($$) {
1065	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1066		1484
1067	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1068	}	1486	}
1069		1487
1070	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1071	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1072		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1073	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1074	}	1498	}
1075		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1076	cf::player->attach (	1508	cf::player->attach (
1077	on_command => sub {	1509	on_unknown_command => sub {
1078	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1079		1511
1080	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1081	or return;	1513	or return;
1082		1514
…		…
1087	cf::override;	1519	cf::override;
1088	},	1520	},
1089	on_extcmd => sub {	1521	on_extcmd => sub {
1090	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1091		1523
1092	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093		1525
1094	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
1096	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
1097	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
1098	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1099	}	1547	}
		1548
1100	} else {	1549	} else {
1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102	}	1551	}
1103		1552
1104	cf::override;	1553	cf::override;
1105	},	1554	},
1106	);	1555	);
1107		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1108	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1109	cf::sync_job {	1586	cf::sync_job {
1110	my %todo;	1587	my %todo;
1111		1588
1112	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1113	next unless -r $path;	1590	next unless -r $path;
…		…
1131		1608
1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1134		1611
1135	$ext{source} =	1612	$ext{source} =
1136	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1137	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1138	. $source	1615	. $source
1139	. "\n};\n1";	1616	. "\n};\n1";
1140		1617
1141	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1142	}	1619	}
1143		1620
		1621	my $pass = 0;
1144	my %done;	1622	my %done;
1145	while (%todo) {	1623	while (%todo) {
1146	my $progress;	1624	my $progress;
1147		1625
		1626	++$pass;
		1627
		1628	ext:
1148	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1149	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1150	goto skip	1631	next ext
1151	unless exists $done{$_};	1632	unless exists $done{$_};
1152	}	1633	}
1153		1634
1154	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1155		1636
1156	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1157	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1158	: "$v->{base}: extension inactive.\n";
1159		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1160	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1161	warn $msg;	1653
1162	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1163	exit 1;	1655	delete $todo{$k};
1164	}	1656	} else {
1165		1657	$done{$k} = delete $todo{$k};
1166	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1167	}	1663	}
1168
1169	$done{$k} = delete $todo{$k};
1170	push @EXTS, $v->{pkg};
1171	$progress = 1;
1172	}	1664	}
1173		1665
1174	skip:	1666	unless ($progress) {
1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1176	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1177	}	1676	}
1178	};	1677	};
1179	}	1678	}
1180		1679
1181	#############################################################################	1680	#############################################################################
1182		1681
1183	=back	1682	=back
1184		1683
1185	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1186		1685
1187	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1188		1687
1189	=cut	1688	=cut
1190		1689
1191	package cf::player;	1690	package cf::player;
1192		1691
1193	use Coro::AIO;	1692	use Coro::AIO;
1194		1693
1195	=head3 cf::player	1694	=head3 cf::player
1196		1695
1197	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1198		1711
1199	=item cf::player::find $login	1712	=item cf::player::find $login
1200		1713
1201	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1202		1715
…		…
1221		1734
1222	sub exists($) {	1735	sub exists($) {
1223	my ($login) = @_;	1736	my ($login) = @_;
1224		1737
1225	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1226	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1227	}	1740	}
1228		1741
1229	sub find($) {	1742	sub find($) {
1230	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1231	my $login = $_[0];	1744	my $login = $_[0];
…		…
1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1242		1755
1243	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1244	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1245	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1246	}	1765	}
1247	}	1766	}
1248	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1249		1781
1250	sub save($) {	1782	sub save($) {
1251	my ($pl) = @_;	1783	my ($pl) = @_;
1252		1784
1253	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1258	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1259		1791
1260	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1261	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1262		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1263	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1264	Coro::cede;	1801	cf::cede_to_tick;
1265	}	1802	}
1266		1803
1267	sub new($) {	1804	sub new($) {
1268	my ($login) = @_;	1805	my ($login) = @_;
1269		1806
…		…
1275	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1276		1813
1277	$self	1814	$self
1278	}	1815	}
1279		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1280	=item $pl->quit_character	1827	=item $pl->quit_character
1281		1828
1282	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1283	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1284		1831
…		…
1288	my ($pl) = @_;	1835	my ($pl) = @_;
1289		1836
1290	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1291		1838
1292	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1293	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1294		1841
1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1296	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1297	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1298	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1299		1850
1300	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1301	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1302	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1337	or return [];	1888	or return [];
1338		1889
1339	my @logins;	1890	my @logins;
1340		1891
1341	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1344	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1345		1902
1346	utf8::decode $login;	1903	utf8::decode $login;
1347	push @logins, $login;	1904	push @logins, $login;
1348	}	1905	}
1349		1906
1350	\@logins	1907	\@logins
1351	}	1908	}
1352		1909
1353	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1354		1913
1355	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1356	player. May block.	1915	player. May block.
1357		1916
1358	=cut	1917	=cut
…		…
1376	}	1935	}
1377		1936
1378	\@paths	1937	\@paths
1379	}	1938	}
1380		1939
1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1382		1941
1383	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1384		1943
1385	=cut
1386
1387	sub expand_cfpod {
1388	((my $self), (local $_)) = @_;
1389
1390	# escape & and <
1391	s/&/&amp;/g;
1392	s/(?<![BIUGH])</&lt;/g;
1393
1394	# this is buggy, it needs to properly take care of nested <'s
1395
1396	1 while
1397	# replace B<>, I<>, U<> etc.
1398	s/B<([^\>]*)>/<b>$1<\/b>/
1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
1401	# replace G<male|female> tags
1402	|| s{G<([^>|]*)\|([^>]*)>}{
1403	$self->gender ? $2 : $1
1404	}ge
1405	# replace H<hint text>
1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407
1408	# create single paragraphs (very hackish)
1409	s/(?<=\S)\n(?=\w)/ /g;
1410
1411	$_
1412	}
1413
1414	=item $player->ext_reply ($msgid, %msg)
1415
1416	Sends an ext reply to the player.
1417
1418	=cut
1419
1420	sub ext_reply($$%) {
1421	my ($self, $id, %msg) = @_;
1422
1423	$msg{msgid} = $id;
1424	$self->send ("ext " . cf::to_json \%msg);
1425	}
1426
1427	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1428		1945
1429	Sends an ext event to the client.	1946	Sends an ext event to the client.
1430		1947
1431	=cut	1948	=cut
1432		1949
1433	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1434	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1435		1952
1436	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1437	}	1954	}
1438		1955
1439	=head3 cf::region	1956	=head3 cf::region
1440		1957
1441	=over 4	1958	=over 4
…		…
1451	=cut	1968	=cut
1452		1969
1453	sub find_by_path($) {	1970	sub find_by_path($) {
1454	my ($path) = @_;	1971	my ($path) = @_;
1455		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1456	my ($match, $specificity);	1975	my ($match, $specificity);
1457		1976
1458	for my $region (list) {	1977	for my $region (list) {
1459	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1460	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1461	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1462	}	1981	}
1463	}	1982	}
1464		1983
…		…
1485	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1486	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1487		2006
1488	sub generate_random_map {	2007	sub generate_random_map {
1489	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1490	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1491	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1495	$rmp->{exit_on_final_map},
1496	$rmp->{xsize}, $rmp->{ysize},
1497	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1498	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1499	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1500	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1501	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1502	(cf::region::find $rmp->{region}), $rmp->{custom}
1503	)
1504	}	2013	}
1505		2014
1506	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1507		2016
1508	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1513		2022
1514	sub register {	2023	sub register {
1515	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1516	my $pkg = caller;	2025	my $pkg = caller;
1517		2026
1518	no strict;
1519	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1520		2028
1521	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1522	}	2030	}
1523		2031
1524	# also paths starting with '/'	2032	# also paths starting with '/'
1525	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1526		2034
1527	sub thawer_merge {	2035	sub thawer_merge {
1528	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1529		2037
1530	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1535	}	2043	}
1536		2044
1537	sub normalise {	2045	sub normalise {
1538	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1539		2047
1540	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1541		2049
1542	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1543		2051
1544	# map plan:	2052	# map plan:
1545	#	2053	#
…		…
1560	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1561	$path = "$base/$path";	2069	$path = "$base/$path";
1562	}	2070	}
1563		2071
1564	for ($path) {	2072	for ($path) {
1565	redo if s{//}{/};
1566	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1567	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1568	}	2075	}
1569		2076
1570	$path	2077	$path
…		…
1584	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1585	return $self;	2092	return $self;
1586	}	2093	}
1587	}	2094	}
1588		2095
1589	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1590	()	2097	()
1591	}	2098	}
1592		2099
		2100	# may re-bless or do other evil things
1593	sub init {	2101	sub init {
1594	my ($self) = @_;	2102	my ($self) = @_;
1595		2103
1596	$self	2104	$self
1597	}	2105	}
…		…
1616		2124
1617	# the temporary/swap location	2125	# the temporary/swap location
1618	sub save_path {	2126	sub save_path {
1619	my ($self) = @_;	2127	my ($self) = @_;
1620		2128
1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1623	}	2131	}
1624		2132
1625	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1626	sub uniq_path {	2134	sub uniq_path {
1627	my ($self) = @_;	2135	my ($self) = @_;
1628		2136
1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1631	}
1632
1633	# and all this just because we cannot iterate over
1634	# all maps in C++...
1635	sub change_all_map_light {
1636	my ($change) = @_;
1637
1638	$_->change_map_light ($change)
1639	for grep $_->outdoor, values %cf::MAP;
1640	}	2139	}
1641		2140
1642	sub decay_objects {	2141	sub decay_objects {
1643	my ($self) = @_;	2142	my ($self) = @_;
1644		2143
…		…
1657		2156
1658	sub load_header_from($) {	2157	sub load_header_from($) {
1659	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1660		2159
1661	utf8::encode $path;	2160	utf8::encode $path;
1662	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1663	# or return;
1664
1665	$self->_load_header ($path)
1666	or return;	2162	or return;
1667		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1668	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1669		2171
1670	1	2172	1
1671	}	2173	}
1672		2174
		2175	# used to laod the header of an original map
1673	sub load_header_orig {	2176	sub load_header_orig {
1674	my ($self) = @_;	2177	my ($self) = @_;
1675		2178
1676	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1677	}	2180	}
1678		2181
		2182	# used to laod the header of an instantiated map
1679	sub load_header_temp {	2183	sub load_header_temp {
1680	my ($self) = @_;	2184	my ($self) = @_;
1681		2185
1682	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1683	}	2187	}
1684		2188
		2189	# called after loading the header from an instantiated map
1685	sub prepare_temp {	2190	sub prepare_temp {
1686	my ($self) = @_;	2191	my ($self) = @_;
1687		2192
1688	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1689	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1690	# safety	2195	# safety
1691	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1692	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1693	}	2198	}
1694		2199
		2200	# called after loading the header from an original map
1695	sub prepare_orig {	2201	sub prepare_orig {
1696	my ($self) = @_;	2202	my ($self) = @_;
1697		2203
1698	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1699	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1723		2229
1724	sub find;	2230	sub find;
1725	sub find {	2231	sub find {
1726	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1727		2233
		2234	cf::cede_to_tick;
		2235
1728	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1729		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1730	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1731		2240
1732	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1733	my $guard = cf::lock_acquire "map_find:$path";
1734	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1735	or return;	2243	or return;
1736		2244
1737	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1738		2246
…		…
1740	or return;	2248	or return;
1741		2249
1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1744	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1745	$map->reset;	2255	$map->reset;
1746	undef $guard;
1747	return find $path;	2256	return find $path;
1748	}	2257	}
1749		2258
1750	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1751	}	2260	}
1752	}	2261	}
1753		2262
1754	sub pre_load { }	2263	sub pre_load { }
1755	sub post_load { }	2264	#sub post_load { } # XS
1756		2265
1757	sub load {	2266	sub load {
1758	my ($self) = @_;	2267	my ($self) = @_;
1759		2268
1760	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1761		2270
1762	my $path = $self->{path};	2271	my $path = $self->{path};
1763		2272
1764	{	2273	{
1765	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1766		2275
		2276	return unless $self->valid;
1767	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1768
1769	$self->in_memory (cf::MAP_LOADING);
1770		2278
1771	$self->alloc;	2279	$self->alloc;
1772		2280
1773	$self->pre_load;	2281	$self->pre_load;
1774	Coro::cede;	2282	cf::cede_to_tick;
1775		2283
1776	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1777	or return;	2288	or return;
1778		2289
1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1780	if delete $self->{load_original};	2291	if delete $self->{load_original};
1781		2292
1782	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1783	utf8::encode $uniq;	2294	utf8::encode $uniq;
1784	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1785	$self->clear_unique_items;	2297	$self->clear_unique_items;
1786	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1787	}	2302	}
1788	}
1789		2303
1790	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1791	# now do the right thing for maps	2313	# now do the right thing for maps
1792	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1793	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1794	unless $self->difficulty;	2316	unless $self->difficulty;
1795	Coro::cede;	2317	cf::cede_to_tick;
1796		2318
1797	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1798	$self->decay_objects;	2320	$self->decay_objects;
1799	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1800	$self->update_buttons;	2322	$self->update_buttons;
1801	Coro::cede;	2323	cf::cede_to_tick;
1802	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1803	Coro::cede;
1804	$self->activate;
1805	}	2325	}
1806		2326
1807	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1808	}	2329	}
1809		2330
1810	$self->post_load;	2331	$self->post_load;
1811	}
1812		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1813	sub customise_for {	2339	sub customise_for {
1814	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1815		2341
1816	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1817	if $self->per_player;	2343	if $self->per_player;
…		…
1820	# if $self->per_party;	2346	# if $self->per_party;
1821		2347
1822	$self	2348	$self
1823	}	2349	}
1824		2350
1825	# find and load all maps in the 3x3 area around a map
1826	sub load_diag {
1827	my ($map) = @_;
1828
1829	my @diag; # diagonal neighbours
1830
1831	for (0 .. 3) {
1832	my $neigh = $map->tile_path ($_)
1833	or next;
1834	$neigh = find $neigh, $map
1835	or next;
1836	$neigh->load;
1837
1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1840	}
1841
1842	for (@diag) {
1843	my $neigh = find @$_
1844	or next;
1845	$neigh->load;
1846	}
1847	}
1848
1849	sub find_sync {	2351	sub find_sync {
1850	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1851		2353
1852	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1853	}	2359	}
1854		2360
1855	sub do_load_sync {	2361	sub do_load_sync {
1856	my ($map) = @_;	2362	my ($map) = @_;
1857		2363
1858	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1859	}	2369	}
1860		2370
1861	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1862	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1863		2373
1864	sub find_async {	2374	sub find_async {
1865	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1866		2376
1867	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1868		2378
1869	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1871	}	2381	}
1872		2382
1873	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1874	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1875	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1876	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1877	my $map = find $path	2390	if (my $map = find $k) {
1878	or next;
1879	$map->load;	2391	$map->load if $v;
		2392	}
1880		2393
1881	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1882	}	2395	}
1883	}	2396	}
1884	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1885	};	2398	};
1886	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1887		2400
1888	()	2401	()
1889	}	2402	}
1890		2403
		2404	# common code, used by both ->save and ->swapout
1891	sub save {	2405	sub _save {
1892	my ($self) = @_;	2406	my ($self) = @_;
1893
1894	my $lock = cf::lock_acquire "map_data:" . $self->path;
1895		2407
1896	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1897		2409
1898	return unless $self->dirty;	2410	return unless $self->dirty;
1899		2411
…		…
1905	return if $self->{deny_save};	2417	return if $self->{deny_save};
1906		2418
1907	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1908		2420
1909	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1910	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1911	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1912		2427
1913	if ($uniq) {	2428	if ($uniq) {
1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1916	} else {	2431	} else {
1917	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1918	}	2433	}
1919	}	2434	}
1920		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1921	sub swap_out {	2444	sub swap_out {
1922	my ($self) = @_;	2445	my ($self) = @_;
1923		2446
1924	# save first because save cedes
1925	$self->save;
1926
1927	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1928		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1929	return if $self->players;	2451	return if $self->players;
1930	return if $self->in_memory != cf::MAP_IN_MEMORY;
1931	return if $self->{deny_save};
1932		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1933	$self->clear;	2462	$self->clear;
1934	$self->in_memory (cf::MAP_SWAPPED);
1935	}	2463	}
1936		2464
1937	sub reset_at {	2465	sub reset_at {
1938	my ($self) = @_;	2466	my ($self) = @_;
1939		2467
…		…
1957		2485
1958	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1959		2487
1960	return if $self->players;	2488	return if $self->players;
1961		2489
1962	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
1963		2491
1964	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1965		2493
1966	# need to save uniques path	2494	# need to save uniques path
1967	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1968	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1969		2497
…		…
1971	if $uniq;	2499	if $uniq;
1972	}	2500	}
1973		2501
1974	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1975		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1976	$self->clear;	2506	$self->clear;
1977
1978	$_->clear_links_to ($self) for values %cf::MAP;
1979		2507
1980	$self->unlink_save;	2508	$self->unlink_save;
1981	$self->destroy;	2509	$self->destroy;
1982	}	2510	}
1983		2511
1984	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1985		2513
1986	sub nuke {	2514	sub nuke {
1987	my ($self) = @_;	2515	my ($self) = @_;
1988		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1989	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1990		2521
1991	$self->unlink_save;	2522	$self->unlink_save;
1992		2523
1993	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1994	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1995	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1996	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998		2529
1999	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2000		2532
2001	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2002	}	2534	}
2003		2535
2004	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2046		2578
2047	sub unique_maps() {	2579	sub unique_maps() {
2048	[	2580	[
2049	map {	2581	map {
2050	utf8::decode $_;	2582	utf8::decode $_;
2051	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2052	? normalise $_	2586	: normalise $_
2053	: ()
2054	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2055	]	2588	]
2056	}	2589	}
2057		2590
2058	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
2059		2622
2060	=back	2623	=back
2061		2624
2062	=head3 cf::object	2625	=head3 cf::object
2063		2626
…		…
2067		2630
2068	=over 4	2631	=over 4
2069		2632
2070	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2071		2634
2072	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2073		2637
2074	=cut	2638	=cut
2075		2639
2076	sub inv_recursive_;	2640	sub inv_recursive_;
2077	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2080		2644
2081	sub inv_recursive {	2645	sub inv_recursive {
2082	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2083	}	2647	}
2084		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
2085	package cf;	2677	package cf;
2086		2678
2087	=back	2679	=back
2088		2680
2089	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2095	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2096	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2097	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2098		2690
2099	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
2100		2706
2101	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2102	# with dialog boxes.	2708	# with dialog boxes.
2103	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2104	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2111		2717
2112	} else {	2718	} else {
2113	my $pl = $self->contr;	2719	my $pl = $self->contr;
2114		2720
2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2117	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118	$diag->{id},
2119	msgtype => "reply",
2120	msg => $diag->{pl}->expand_cfpod ($msg),
2121	add_topics => []
2122	);
2123		2724
2124	} else {	2725	} else {
2125	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2126	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2127	}	2728	}
2128	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
2129	}	2740	}
2130		2741
2131	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2132		2743
2133	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
2146		2757
2147	=item $player_object->enter_link	2758	=item $player_object->enter_link
2148		2759
2149	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2150		2761
2151	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2152	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2153		2766
2154	Will never block.	2767	Will never block.
2155		2768
2156	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2157		2770
…		…
2177	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2178	my ($self) = @_;	2791	my ($self) = @_;
2179		2792
2180	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2181		2794
		2795	++$self->{_link_recursion};
		2796
2182	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2183		2798
2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2185	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2186		2801
2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2188	}	2803	}
2189		2804
2190	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2191	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2192		2807
…		…
2209	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2210	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2211		2826
2212	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2213	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2214	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2215		2830
2216	$map->load;	2831	$map->load;
2217	$map->load_diag;
2218		2832
2219	return unless $self->contr->active;	2833	return unless $self->contr->active;
2220	$self->activate_recursive;
2221		2834
2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2224	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2225		2842
		2843	}
		2844
2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2227		2846
2228	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2229	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2230	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2231	the new (success) or old (failed) map position.	2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
2232		2855
2233	=cut	2856	=cut
2234		2857
2235	our $GOTOGEN;	2858	our $GOTOGEN;
2236		2859
2237	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2238	my ($self, $path, $x, $y, $check) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2239		2868
2240	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242		2871
2243	$self->enter_link;	2872	$self->enter_link;
2244		2873
2245	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
2246	my $map = eval {	2896	my $map = eval {
2247	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2248		2898
2249	if ($map) {	2899	if ($map) {
2250	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2251	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2252	} else {	2902	} else {
2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254	}	2904	}
2255		2905
2256	$map	2906	$map
2257	};	2907	};
2258		2908
…		…
2263		2913
2264	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2265	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2266	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2267	}	2917	}
		2918
		2919	$done->($self) if $done;
2268	})->prio (1);	2920	})->prio (1);
2269	}	2921	}
2270		2922
2271	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2272		2924
…		…
2292	}	2944	}
2293		2945
2294	sub prepare_random_map {	2946	sub prepare_random_map {
2295	my ($exit) = @_;	2947	my ($exit) = @_;
2296		2948
2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
2298
2299	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2300	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2301	# that depends on the exit object	2951	# that depends on the exit object
2302		2952
2303	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2305	if ($exit->map) {	2955	if ($exit->map) {
2306	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2307	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2308	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2309	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2310	}	2962	}
2311		2963
2312	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2313		2965
2314	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2316	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2317		2969
2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2320	undef $fh;	2972	undef $fh;
2321	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2322		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2323	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2324	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2325	}	2981	}
2326	}	2982	}
2327		2983
2328	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2329	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2330		2986
2331	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2332		2988
2333	if ($exit->slaying eq "/!") {
2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
2335	# the problem is that $exit might not survive long enough
2336	# so it needs to be done right now, right here
2337	cf::sync_job { prepare_random_map $exit };
2338	}
2339
2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2341	my $hp = $exit->stats->hp;
2342	my $sp = $exit->stats->sp;
2343
2344	$self->enter_link;	2989	$self->enter_link;
2345		2990
2346	(async {	2991	(async {
2347	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2348	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2349	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2350		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2351	1;	3030	1
2352	}) {	3031	}) {
2353	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2354	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2355	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2356	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2357		3036
2358	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2359	$self->leave_link;	3038	$self->leave_link;
2360	}	3039	}
2361	})->prio (1);	3040	})->prio (1);
2362	}	3041	}
2363		3042
2364	=head3 cf::client	3043	=head3 cf::client
2365		3044
2366	=over 4	3045	=over 4
2367		3046
2368	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2369		3048
2370	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2371	should not be used under normal circumstances.	3050	them as required.
2372		3051
2373	=cut	3052	=cut
2374		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2375	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2376	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2377		3058
2378	utf8::encode $text;	3059	# try lzf for large packets
2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
2380	}	3061	if 1024 <= length $pkt and $self->{can_lzf};
2381		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
		3070	}
		3071
2382	=item $client->send_msg ($color, $type, $msg, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2383		3073
2384	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2385	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2386	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2387	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2388		3078
2389	=cut	3079	=cut
2390		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
		3200
2391	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2392	my ($self, $color, $type, $msg, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2393		3203
2394	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2395		3206
2396	if ($self->can_msg) {	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2398	} else {
2399	# replace some tags by gcfclient-compatible ones
2400	for ($msg) {
2401	1 while
2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407	}
2408		3208
2409	if ($color >= 0) {	3209	# check predefined channels, for the benefit of C
2410	if (0 && $msg =~ /\[/) {	3210	if ($CHANNEL{$channel}) {
2411	$self->send_packet ("drawextinfo $color 4 0 $msg")	3211	$channel = $CHANNEL{$channel};
2412	} else {	3212
2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3213	$self->ext_msg (channel_info => $channel);
2414	$self->send_packet ("drawinfo $color $msg")	3214	$channel = $channel->{id};
		3215
		3216	} elsif (ref $channel) {
		3217	# send meta info to client, if not yet sent
		3218	unless (exists $self->{channel}{$channel->{id}}) {
		3219	$self->{channel}{$channel->{id}} = $channel;
		3220	$self->ext_msg (channel_info => $channel);
2415	}	3221	}
2416	}
2417	}
2418	}
2419		3222
		3223	$channel = $channel->{id};
		3224	}
		3225
		3226	return unless @extra || length $msg;
		3227
		3228	# default colour, mask it out
		3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3230	if $color & cf::NDI_DEF;
		3231
		3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
		3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3235	);
		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
2420	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2421		3241
2422	Sends an ext event to the client.	3242	Sends an ext event to the client.
2423		3243
2424	=cut	3244	=cut
2425		3245
2426	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2427	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2428		3248
2429	$msg{msgtype} = "event_$type";	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2430	$self->send_packet ("ext " . cf::to_json \%msg);
2431	}	3250	}
2432		3251
2433	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2434		3253
2435	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2457	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2458		3277
2459	1	3278	1
2460	}	3279	}
2461		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
		3317	}
		3318
2462	cf::client->attach (	3319	cf::client->attach (
		3320	on_connect => sub {
		3321	my ($ns) = @_;
		3322
		3323	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3324	},
2463	on_reply => sub {	3325	on_reply => sub {
2464	my ($ns, $msg) = @_;	3326	my ($ns, $msg) = @_;
2465		3327
2466	# this weird shuffling is so that direct followup queries	3328	# this weird shuffling is so that direct followup queries
2467	# get handled first	3329	# get handled first
…		…
2482	}	3344	}
2483	},	3345	},
2484	on_exticmd => sub {	3346	on_exticmd => sub {
2485	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
2486		3348
2487	my $msg = eval { from_json $buf };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488		3350
2489	if (ref $msg) {	3351	if (ref $msg) {
		3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3353
2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3354	if (my $cb = $EXTIACMD{$type}) {
2491	if (my %reply = $cb->($ns, $msg)) {	3355	$cb->(
2492	$reply{msgid} = $msg->{msgid};	3356	$ns,
2493	$ns->send ("ext " . cf::to_json \%reply);	3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
		3367	@reply = $cb->($ns, @payload);
2494	}	3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
2495	}	3372	}
2496	} else {	3373	} else {
2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2498	}	3375	}
2499		3376
2500	cf::override;	3377	cf::override;
2501	},	3378	},
2502	);	3379	);
…		…
2522		3399
2523	$coro	3400	$coro
2524	}	3401	}
2525		3402
2526	cf::client->attach (	3403	cf::client->attach (
2527	on_destroy => sub {	3404	on_client_destroy => sub {
2528	my ($ns) = @_;	3405	my ($ns) = @_;
2529		3406
2530	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2531	},	3408	},
2532	);	3409	);
…		…
2547	our $safe = new Safe "safe";	3424	our $safe = new Safe "safe";
2548	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2549		3426
2550	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2551		3428
2552	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3429	$safe->permit_only (Opcode::opset qw(
		3430	:base_core :base_mem :base_orig :base_math :base_loop
		3431	grepstart grepwhile mapstart mapwhile
		3432	sort time
		3433	));
2553		3434
2554	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
2555		3436
2556	=pod	3437	=pod
2557		3438
2558	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2559		3440
2560	cf::object contr pay_amount pay_player map	3441	cf::object
		3442	contr pay_amount pay_player map x y force_find force_add destroy
		3443	insert remove name archname title slaying race decrease split
		3444	value
		3445
2561	cf::object::player player	3446	cf::object::player
2562	cf::player peaceful	3447	player
2563	cf::map trigger	3448
		3449	cf::player
		3450	peaceful
		3451
		3452	cf::map
		3453	trigger
2564		3454
2565	=cut	3455	=cut
2566		3456
2567	for (	3457	for (
2568	["cf::object" => qw(contr pay_amount pay_player map)],	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3459	insert remove inv nrof name archname title slaying race
		3460	decrease split destroy change_exp value msg lore send_msg)],
2569	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2570	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2571	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2572	) {	3464	) {
2573	no strict 'refs';
2574	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2575	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2576	for @funs;	3467	for @funs;
2577	}	3468	}
2578		3469
…		…
2593		3484
2594	my $qcode = $code;	3485	my $qcode = $code;
2595	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2596	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2597		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2598	local $_;	3492	local $_;
2599	local @safe::cf::_safe_eval_args = values %vars;
2600		3493
2601	my $eval =	3494	my $eval =
2602	"do {\n"	3495	"do {\n"
2603	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2604	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2605	. $code	3498	. $code
2606	. "\n}"	3499	. "\n}"
2607	;	3500	;
2608		3501
		3502	if ($CFG{safe_eval}) {
2609	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2610	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2611	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
2612		3511
2613	if ($@) {	3512	if ($@) {
2614	warn "$@";	3513	warn "$@",
2615	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2616	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2617	}	3516	}
2618		3517
2619	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2620	}	3519	}
2621		3520
…		…
2635	=cut	3534	=cut
2636		3535
2637	sub register_script_function {	3536	sub register_script_function {
2638	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2639		3538
2640	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2641	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2642	}	3541	}
2643		3542
2644	=back	3543	=back
2645		3544
2646	=cut	3545	=cut
2647		3546
2648	#############################################################################	3547	#############################################################################
2649	# the server's init and main functions	3548	# the server's init and main functions
2650		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
2651	sub load_facedata($) {	3627	sub load_facedata($) {
2652	my ($path) = @_;	3628	my ($path) = @_;
2653		3629
		3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3631
2654	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
2655		3633
2656	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
2657	0 < aio_load $path, $facedata
2658	or die "$path: $!";
2659
2660	$facedata = Coro::Storable::thaw $facedata;
2661		3635
2662	$facedata->{version} == 2	3636	$facedata->{version} == 2
2663	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3638
		3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3641
		3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3643
		3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
2664		3647
2665	{	3648	{
2666	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
2667		3650
2668	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3654
2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3655	cf::face::set_visibility $idx, $info->{visibility};
2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2673	Coro::cede;	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
2674	}	3662	}
2675		3663
2676	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
2677	next unless $info->{smooth};	3665	next unless $info->{smooth};
		3666
2678	my $idx = cf::face::find $face	3667	my $idx = cf::face::find $face
2679	or next;	3668	or next;
		3669
2680	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
		3671	cf::face::set_smooth $idx, $smooth;
2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682	} else {	3673	} else {
2683	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
2684	}	3675	}
2685	Coro::cede;
2686	}	3676	}
2687	}	3677	}
2688		3678
2689	{	3679	{
2690	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
2691		3681
2692	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
2693	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
2694	Coro::cede;
2695	}	3684	}
2696		3685
2697	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
2698	}	3687	}
2699		3688
		3689	{
		3690	my $res = $facedata->{resource};
		3691
		3692	while (my ($name, $info) = each %$res) {
		3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
		3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3696
		3697	cf::face::set_type $idx, $type;
		3698	cf::face::set_csum $idx, 0, $info->{hash};
		3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
		3703	} else {
		3704	# $RESOURCE{$name} = $info; # unused
		3705	}
		3706	}
		3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
		3718
		3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3720
		3721	aio_close $fh if $fh; # close old facedata
		3722
2700	1	3723	1
2701	}	3724	}
2702		3725
		3726	register_exticmd fx_want => sub {
		3727	my ($ns, $want) = @_;
		3728
		3729	while (my ($k, $v) = each %$want) {
		3730	$ns->fx_want ($k, $v);
		3731	}
		3732	};
		3733
		3734	sub load_resource_file($) {
		3735	my $guard = lock_acquire "load_resource_file";
		3736
		3737	my $status = load_resource_file_ $_[0];
		3738	get_slot 0.1, 100;
		3739	cf::arch::commit_load;
		3740
		3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
		3756	}
		3757
2703	sub reload_regions {	3758	sub reload_regions {
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
2704	load_resource_file "$MAPDIR/regions"	3763	load_resource_file "$MAPDIR/regions"
2705	or die "unable to load regions file\n";	3764	or die "unable to load regions file\n";
		3765
		3766	for (cf::region::list) {
		3767	$_->{match} = qr/$_->{match}/
		3768	if exists $_->{match};
		3769	}
2706	}	3770	}
2707		3771
2708	sub reload_facedata {	3772	sub reload_facedata {
2709	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
2710	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
2711	}	3775	}
2712		3776
2713	sub reload_archetypes {	3777	sub reload_archetypes {
2714	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
2715	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
		3780
		3781	cf::face::set
		3782	"res/skill_info" => FT_RSRC,
		3783	JSON::XS->new->utf8->canonical->encode (
		3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
		3792
		3793	# command completion
		3794	my @commands;
		3795
		3796	for (0..cf::arch::skillvec_size - 1) {
		3797	my $skill = cf::arch::skillvec $_;
		3798	my $name = $skill->name;
		3799	my $flags = cf::skill_flags $skill->subtype;
		3800
		3801	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3802	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3803	}
		3804
		3805	cf::client::set_command_face skill => \@commands;
2716	}	3806	}
2717		3807
2718	sub reload_treasures {	3808	sub reload_treasures {
2719	load_resource_file "$DATADIR/treasures"	3809	load_resource_file "$DATADIR/treasures"
2720	or die "unable to load treasurelists\n";	3810	or die "unable to load treasurelists\n";
2721	}	3811	}
2722		3812
		3813	sub reload_sound {
		3814	trace "loading sound config from $DATADIR/sound\n";
		3815
		3816	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3817
		3818	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3819	my $sound = $soundconf->{compat}[$_]
		3820	or next;
		3821
		3822	my $face = cf::face::find "sound/$sound->[1]";
		3823	cf::sound::set $sound->[0] => $face;
		3824	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3825	}
		3826
		3827	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3828	my $face = cf::face::find "sound/$v";
		3829	cf::sound::set $k => $face;
		3830	}
		3831	}
		3832
2723	sub reload_resources {	3833	sub reload_resources {
2724	warn "reloading resource files...\n";	3834	trace "reloading resource files...\n";
2725		3835
		3836	reload_materials;
		3837	reload_facedata;
		3838	reload_exp_table;
		3839	reload_sound;
		3840	reload_archetypes;
2726	reload_regions;	3841	reload_regions;
2727	reload_facedata;
2728	#reload_archetypes;#d#
2729	reload_archetypes;
2730	reload_treasures;	3842	reload_treasures;
2731		3843
2732	warn "finished reloading resource files\n";	3844	trace "finished reloading resource files\n";
2733	}	3845	}
2734		3846
2735	sub init {	3847	sub reload_config {
2736	reload_resources;	3848	trace "reloading config file...\n";
2737	}
2738		3849
2739	sub cfg_load {	3850	my $config = load_file "$CONFDIR/config";
2740	open my $fh, "<:utf8", "$CONFDIR/config"	3851	utf8::decode $config;
2741	or return;	3852	*CFG = decode_yaml $config;
2742		3853
2743	local $/;
2744	*CFG = YAML::Syck::Load <$fh>;
2745
2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3854	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2747		3855
2748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3856	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3857	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2750		3858
2751	if (exists $CFG{mlockall}) {	3859	if (exists $CFG{mlockall}) {
…		…
2755	};	3863	};
2756	warn $@ if $@;	3864	warn $@ if $@;
2757	}	3865	}
2758	}	3866	}
2759		3867
		3868	sub pidfile() {
		3869	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3870	or die "$PIDFILE: $!";
		3871	flock $fh, &Fcntl::LOCK_EX
		3872	or die "$PIDFILE: flock: $!";
		3873	$fh
		3874	}
		3875
		3876	# make sure only one server instance is running at any one time
		3877	sub atomic {
		3878	my $fh = pidfile;
		3879
		3880	my $pid = <$fh>;
		3881	kill 9, $pid if $pid > 0;
		3882
		3883	seek $fh, 0, 0;
		3884	print $fh $$;
		3885	}
		3886
		3887	sub main_loop {
		3888	trace "EV::loop starting\n";
		3889	if (1) {
		3890	EV::loop;
		3891	}
		3892	trace "EV::loop returned\n";
		3893	goto &main_loop unless $REALLY_UNLOOP;
		3894	}
		3895
2760	sub main {	3896	sub main {
		3897	cf::init_globals; # initialise logging
		3898
		3899	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3900	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3901	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3902	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3903
		3904	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3905
2761	# we must not ever block the main coroutine	3906	# we must not ever block the main coroutine
2762	local $Coro::idle = sub {	3907	$Coro::idle = sub {
2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3908	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2764	(async {	3909	(async {
2765	Event::one_event;	3910	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3911	EV::loop EV::LOOP_ONESHOT;
2766	})->prio (Coro::PRIO_MAX);	3912	})->prio (Coro::PRIO_MAX);
2767	};	3913	};
2768		3914
2769	cfg_load;	3915	evthread_start IO::AIO::poll_fileno;
		3916
		3917	cf::sync_job {
		3918	cf::incloader::init ();
		3919
2770	db_init;	3920	db_init;
		3921
		3922	cf::init_anim;
		3923	cf::init_attackmess;
		3924	cf::init_dynamic;
		3925
		3926	cf::load_settings;
		3927
		3928	reload_resources;
		3929	reload_config;
		3930
		3931	cf::init_uuid;
		3932	cf::init_signals;
		3933	cf::init_skills;
		3934
		3935	cf::init_beforeplay;
		3936
		3937	atomic;
		3938
2771	load_extensions;	3939	load_extensions;
2772		3940
2773	$TICK_WATCHER->start;	3941	utime time, time, $RUNTIMEFILE;
2774	Event::loop;	3942
		3943	# no (long-running) fork's whatsoever before this point(!)
		3944	use POSIX ();
		3945	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3946
		3947	cf::_post_init 0;
		3948	};
		3949
		3950	cf::object::thawer::errors_are_fatal 0;
		3951	info "parse errors in files are no longer fatal from this point on.\n";
		3952
		3953	AE::postpone {
		3954	undef &main; # free gobs of memory :)
		3955	};
		3956
		3957	goto &main_loop;
2775	}	3958	}
2776		3959
2777	#############################################################################	3960	#############################################################################
2778	# initialisation and cleanup	3961	# initialisation and cleanup
2779		3962
2780	# install some emergency cleanup handlers	3963	# install some emergency cleanup handlers
2781	BEGIN {	3964	BEGIN {
		3965	our %SIGWATCHER = ();
2782	for my $signal (qw(INT HUP TERM)) {	3966	for my $signal (qw(INT HUP TERM)) {
2783	Event->signal (	3967	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	signal => $signal,
2787	prio => 0,
2788	cb => sub {
2789	cf::cleanup "SIG$signal";	3968	cf::cleanup "SIG$signal";
2790	},
2791	);	3969	};
2792	}	3970	}
2793	}	3971	}
2794		3972
2795	sub write_runtime {	3973	sub write_runtime_sync {
2796	my $runtime = "$LOCALDIR/runtime";	3974	my $t0 = AE::time;
2797		3975
2798	# first touch the runtime file to show we are still running:	3976	# first touch the runtime file to show we are still running:
2799	# the fsync below can take a very very long time.	3977	# the fsync below can take a very very long time.
2800		3978
2801	IO::AIO::aio_utime $runtime, undef, undef;	3979	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2802		3980
2803	my $guard = cf::lock_acquire "write_runtime";	3981	my $guard = cf::lock_acquire "write_runtime";
2804		3982
2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3983	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2806	or return;	3984	or return;
2807		3985
2808	my $value = $cf::RUNTIME + 90 + 10;	3986	my $value = $cf::RUNTIME + 90 + 10;
2809	# 10 is the runtime save interval, for a monotonic clock	3987	# 10 is the runtime save interval, for a monotonic clock
2810	# 60 allows for the watchdog to kill the server.	3988	# 60 allows for the watchdog to kill the server.
…		…
2820	aio_utime $fh, undef, undef;	3998	aio_utime $fh, undef, undef;
2821		3999
2822	close $fh	4000	close $fh
2823	or return;	4001	or return;
2824		4002
2825	aio_rename "$runtime~", $runtime	4003	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2826	and return;	4004	and return;
2827		4005
2828	warn "runtime file written.\n";	4006	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2829		4007
2830	1	4008	1
		4009	}
		4010
		4011	our $uuid_lock;
		4012	our $uuid_skip;
		4013
		4014	sub write_uuid_sync($) {
		4015	$uuid_skip ||= $_[0];
		4016
		4017	return if $uuid_lock;
		4018	local $uuid_lock = 1;
		4019
		4020	my $uuid = "$LOCALDIR/uuid";
		4021
		4022	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4023	or return;
		4024
		4025	my $value = uuid_seq uuid_cur;
		4026
		4027	unless ($value) {
		4028	info "cowardly refusing to write zero uuid value!\n";
		4029	return;
		4030	}
		4031
		4032	my $value = uuid_str $value + $uuid_skip;
		4033	$uuid_skip = 0;
		4034
		4035	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4036	and return;
		4037
		4038	# always fsync - this file is important
		4039	aio_fsync $fh
		4040	and return;
		4041
		4042	close $fh
		4043	or return;
		4044
		4045	aio_rename "$uuid~", $uuid
		4046	and return;
		4047
		4048	trace "uuid file written ($value).\n";
		4049
		4050	1
		4051
		4052	}
		4053
		4054	sub write_uuid($$) {
		4055	my ($skip, $sync) = @_;
		4056
		4057	$sync ? write_uuid_sync $skip
		4058	: async { write_uuid_sync $skip };
2831	}	4059	}
2832		4060
2833	sub emergency_save() {	4061	sub emergency_save() {
2834	my $freeze_guard = cf::freeze_mainloop;	4062	my $freeze_guard = cf::freeze_mainloop;
2835		4063
2836	warn "enter emergency perl save\n";	4064	info "emergency_perl_save: enter\n";
		4065
		4066	# this is a trade-off: we want to be very quick here, so
		4067	# save all maps without fsync, and later call a global sync
		4068	# (which in turn might be very very slow)
		4069	local $USE_FSYNC = 0;
2837		4070
2838	cf::sync_job {	4071	cf::sync_job {
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
2839	# use a peculiar iteration method to avoid tripping on perl	4074	# use a peculiar iteration method to avoid tripping on perl
2840	# refcount bugs in for. also avoids problems with players	4075	# refcount bugs in for. also avoids problems with players
2841	# and maps saved/destroyed asynchronously.	4076	# and maps saved/destroyed asynchronously.
2842	warn "begin emergency player save\n";	4077	info "emergency_perl_save: begin player save\n";
2843	for my $login (keys %cf::PLAYER) {	4078	for my $login (keys %cf::PLAYER) {
2844	my $pl = $cf::PLAYER{$login} or next;	4079	my $pl = $cf::PLAYER{$login} or next;
2845	$pl->valid or next;	4080	$pl->valid or next;
		4081	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846	$pl->save;	4082	$pl->save;
2847	}	4083	}
2848	warn "end emergency player save\n";	4084	info "emergency_perl_save: end player save\n";
2849		4085
2850	warn "begin emergency map save\n";	4086	cf::write_runtime_sync; # external watchdog should not bark
		4087
		4088	info "emergency_perl_save: begin map save\n";
2851	for my $path (keys %cf::MAP) {	4089	for my $path (keys %cf::MAP) {
2852	my $map = $cf::MAP{$path} or next;	4090	my $map = $cf::MAP{$path} or next;
2853	$map->valid or next;	4091	$map->valid or next;
2854	$map->save;	4092	$map->save;
2855	}	4093	}
2856	warn "end emergency map save\n";	4094	info "emergency_perl_save: end map save\n";
2857		4095
2858	warn "begin emergency database checkpoint\n";	4096	cf::write_runtime_sync; # external watchdog should not bark
		4097
		4098	info "emergency_perl_save: begin database checkpoint\n";
2859	BDB::db_env_txn_checkpoint $DB_ENV;	4099	BDB::db_env_txn_checkpoint $DB_ENV;
2860	warn "end emergency database checkpoint\n";	4100	info "emergency_perl_save: end database checkpoint\n";
		4101
		4102	info "emergency_perl_save: begin write uuid\n";
		4103	write_uuid_sync 1;
		4104	info "emergency_perl_save: end write uuid\n";
		4105
		4106	cf::write_runtime_sync; # external watchdog should not bark
		4107
		4108	trace "emergency_perl_save: syncing database to disk";
		4109	BDB::db_env_txn_checkpoint $DB_ENV;
		4110
		4111	info "emergency_perl_save: starting sync\n";
		4112	IO::AIO::aio_sync sub {
		4113	info "emergency_perl_save: finished sync\n";
		4114	};
		4115
		4116	cf::write_runtime_sync; # external watchdog should not bark
		4117
		4118	trace "emergency_perl_save: flushing outstanding aio requests";
		4119	while (IO::AIO::nreqs || BDB::nreqs) {
		4120	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4121	}
		4122
		4123	cf::write_runtime_sync; # external watchdog should not bark
2861	};	4124	};
2862		4125
2863	warn "leave emergency perl save\n";	4126	info "emergency_perl_save: leave\n";
2864	}	4127	}
2865		4128
2866	sub post_cleanup {	4129	sub post_cleanup {
2867	my ($make_core) = @_;	4130	my ($make_core) = @_;
2868		4131
		4132	IO::AIO::flush;
		4133
2869	warn Carp::longmess "post_cleanup backtrace"	4134	error Carp::longmess "post_cleanup backtrace"
2870	if $make_core;	4135	if $make_core;
		4136
		4137	my $fh = pidfile;
		4138	unlink $PIDFILE if <$fh> == $$;
		4139	}
		4140
		4141	# a safer delete_package, copied from Symbol
		4142	sub clear_package($) {
		4143	my $pkg = shift;
		4144
		4145	# expand to full symbol table name if needed
		4146	unless ($pkg =~ /^main::.*::$/) {
		4147	$pkg = "main$pkg" if $pkg =~ /^::/;
		4148	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4149	$pkg .= '::' unless $pkg =~ /::$/;
		4150	}
		4151
		4152	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4153	my $stem_symtab = *{$stem}{HASH};
		4154
		4155	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4156	or return;
		4157
		4158	# clear all symbols
		4159	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4160	for my $name (keys %$leaf_symtab) {
		4161	_gv_clear *{"$pkg$name"};
		4162	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4163	}
2871	}	4164	}
2872		4165
2873	sub do_reload_perl() {	4166	sub do_reload_perl() {
2874	# can/must only be called in main	4167	# can/must only be called in main
2875	if ($Coro::current != $Coro::main) {	4168	unless (in_main) {
2876	warn "can only reload from main coroutine";	4169	error "can only reload from main coroutine";
2877	return;	4170	return;
2878	}	4171	}
2879		4172
2880	warn "reloading...";	4173	return if $RELOAD++;
2881		4174
2882	warn "entering sync_job";	4175	my $t1 = AE::time;
2883		4176
		4177	while ($RELOAD) {
		4178	cf::get_slot 0.1, -1, "reload_perl";
		4179	info "perl_reload: reloading...";
		4180
		4181	trace "perl_reload: entering sync_job";
		4182
2884	cf::sync_job {	4183	cf::sync_job {
2885	cf::write_runtime; # external watchdog should not bark
2886	cf::emergency_save;	4184	#cf::emergency_save;
2887	cf::write_runtime; # external watchdog should not bark
2888		4185
2889	warn "syncing database to disk";
2890	BDB::db_env_txn_checkpoint $DB_ENV;
2891
2892	# if anything goes wrong in here, we should simply crash as we already saved
2893
2894	warn "cancelling all WF_AUTOCANCEL watchers";
2895	for (Event::all_watchers) {
2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2897	}
2898
2899	warn "flushing outstanding aio requests";
2900	for (;;) {
2901	BDB::flush;
2902	IO::AIO::flush;
2903	Coro::cede;
2904	last unless IO::AIO::nreqs || BDB::nreqs;
2905	warn "iterate...";
2906	}
2907
2908	++$RELOAD;
2909
2910	warn "cancelling all extension coros";	4186	trace "perl_reload: cancelling all extension coros";
2911	$_->cancel for values %EXT_CORO;	4187	$_->cancel for values %EXT_CORO;
2912	%EXT_CORO = ();	4188	%EXT_CORO = ();
2913		4189
2914	warn "removing commands";	4190	trace "perl_reload: removing commands";
2915	%COMMAND = ();	4191	%COMMAND = ();
2916		4192
2917	warn "removing ext/exti commands";	4193	trace "perl_reload: removing ext/exti commands";
2918	%EXTCMD = ();	4194	%EXTCMD = ();
2919	%EXTICMD = ();	4195	%EXTICMD = ();
2920		4196
2921	warn "unloading/nuking all extensions";	4197	trace "perl_reload: unloading/nuking all extensions";
2922	for my $pkg (@EXTS) {	4198	for my $pkg (@EXTS) {
2923	warn "... unloading $pkg";	4199	trace "... unloading $pkg";
2924		4200
2925	if (my $cb = $pkg->can ("unload")) {	4201	if (my $cb = $pkg->can ("unload")) {
2926	eval {	4202	eval {
2927	$cb->($pkg);	4203	$cb->($pkg);
2928	1	4204	1
2929	} or warn "$pkg unloaded, but with errors: $@";	4205	} or error "$pkg unloaded, but with errors: $@";
		4206	}
		4207
		4208	trace "... clearing $pkg";
		4209	clear_package $pkg;
2930	}	4210	}
2931		4211
2932	warn "... nuking $pkg";
2933	Symbol::delete_package $pkg;
2934	}
2935
2936	warn "unloading all perl modules loaded from $LIBDIR";	4212	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2937	while (my ($k, $v) = each %INC) {	4213	while (my ($k, $v) = each %INC) {
2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4214	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2939		4215
2940	warn "... unloading $k";	4216	trace "... unloading $k";
2941	delete $INC{$k};	4217	delete $INC{$k};
2942		4218
2943	$k =~ s/\.pm$//;	4219	$k =~ s/\.pm$//;
2944	$k =~ s/\//::/g;	4220	$k =~ s/\//::/g;
2945		4221
2946	if (my $cb = $k->can ("unload_module")) {	4222	if (my $cb = $k->can ("unload_module")) {
2947	$cb->();	4223	$cb->();
		4224	}
		4225
		4226	clear_package $k;
2948	}	4227	}
2949		4228
2950	Symbol::delete_package $k;
2951	}
2952
2953	warn "getting rid of safe::, as good as possible";	4229	trace "perl_reload: getting rid of safe::, as good as possible";
2954	Symbol::delete_package "safe::$_"	4230	clear_package "safe::$_"
2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4231	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2956		4232
2957	warn "unloading cf.pm \"a bit\"";	4233	trace "perl_reload: unloading cf.pm \"a bit\"";
2958	delete $INC{"cf.pm"};	4234	delete $INC{"cf.pm"};
2959	delete $INC{"cf/pod.pm"};	4235	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2960		4236
2961	# don't, removes xs symbols, too,	4237	# don't, removes xs symbols, too,
2962	# and global variables created in xs	4238	# and global variables created in xs
2963	#Symbol::delete_package __PACKAGE__;	4239	#clear_package __PACKAGE__;
2964		4240
2965	warn "unload completed, starting to reload now";	4241	info "perl_reload: unload completed, starting to reload now";
2966		4242
2967	warn "reloading cf.pm";	4243	trace "perl_reload: reloading cf.pm";
2968	require cf;	4244	require cf;
2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4245	cf::_connect_to_perl_1;
2970		4246
2971	warn "loading config and database again";	4247	trace "perl_reload: loading config and database again";
2972	cf::cfg_load;	4248	cf::reload_config;
2973		4249
2974	warn "loading extensions";	4250	trace "perl_reload: loading extensions";
2975	cf::load_extensions;	4251	cf::load_extensions;
2976		4252
		4253	if ($REATTACH_ON_RELOAD) {
2977	warn "reattaching attachments to objects/players";	4254	trace "perl_reload: reattaching attachments to objects/players";
2978	_global_reattach; # objects, sockets	4255	_global_reattach; # objects, sockets
2979	warn "reattaching attachments to maps";	4256	trace "perl_reload: reattaching attachments to maps";
2980	reattach $_ for values %MAP;	4257	reattach $_ for values %MAP;
2981	warn "reattaching attachments to players";	4258	trace "perl_reload: reattaching attachments to players";
2982	reattach $_ for values %PLAYER;	4259	reattach $_ for values %PLAYER;
		4260	}
2983		4261
2984	warn "leaving sync_job";	4262	cf::_post_init 1;
2985		4263
		4264	trace "perl_reload: leaving sync_job";
		4265
2986	1	4266	1
2987	} or do {	4267	} or do {
2988	warn $@;	4268	error $@;
2989	warn "error while reloading, exiting.";	4269	cf::cleanup "perl_reload: error, exiting.";
2990	exit 1;	4270	};
		4271
		4272	--$RELOAD;
2991	};	4273	}
2992		4274
2993	warn "reloaded";	4275	$t1 = AE::time - $t1;
		4276	info "perl_reload: completed in ${t1}s\n";
2994	};	4277	};
2995		4278
2996	our $RELOAD_WATCHER; # used only during reload	4279	our $RELOAD_WATCHER; # used only during reload
2997		4280
2998	sub reload_perl() {	4281	sub reload_perl() {
2999	# doing reload synchronously and two reloads happen back-to-back,	4282	# doing reload synchronously and two reloads happen back-to-back,
3000	# coro crashes during coro_state_free->destroy here.	4283	# coro crashes during coro_state_free->destroy here.
3001		4284
3002	$RELOAD_WATCHER ||= Event->timer (	4285	$RELOAD_WATCHER ||= cf::async {
3003	reentrant => 0,	4286	Coro::AIO::aio_wait cache_extensions;
3004	after => 0,	4287
3005	data => WF_AUTOCANCEL,	4288	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3006	cb => sub {
3007	do_reload_perl;	4289	do_reload_perl;
3008	undef $RELOAD_WATCHER;	4290	undef $RELOAD_WATCHER;
3009	},	4291	};
3010	);	4292	};
3011	}	4293	}
3012		4294
3013	register_command "reload" => sub {	4295	register_command "reload" => sub {
3014	my ($who, $arg) = @_;	4296	my ($who, $arg) = @_;
3015		4297
3016	if ($who->flag (FLAG_WIZ)) {	4298	if ($who->flag (FLAG_WIZ)) {
3017	$who->message ("reloading server.");	4299	$who->message ("reloading server.");
		4300	async {
		4301	$Coro::current->{desc} = "perl_reload";
3018	async { reload_perl };	4302	reload_perl;
		4303	};
3019	}	4304	}
3020	};	4305	};
3021		4306
3022	unshift @INC, $LIBDIR;	4307	#############################################################################
3023		4308
3024	my $bug_warning = 0;	4309	my $bug_warning = 0;
3025		4310
3026	our @WAIT_FOR_TICK;
3027	our @WAIT_FOR_TICK_BEGIN;
3028
3029	sub wait_for_tick {	4311	sub wait_for_tick() {
3030	return unless $TICK_WATCHER->is_active;	4312	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3031	return if $Coro::current == $Coro::main;
3032		4313
3033	my $signal = new Coro::Signal;	4314	$WAIT_FOR_TICK->wait;
3034	push @WAIT_FOR_TICK, $signal;
3035	$signal->wait;
3036	}	4315	}
3037		4316
3038	sub wait_for_tick_begin {	4317	sub wait_for_tick_begin() {
3039	return unless $TICK_WATCHER->is_active;	4318	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3040	return if $Coro::current == $Coro::main;
3041		4319
3042	my $signal = new Coro::Signal;	4320	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK_BEGIN, $signal;	4321	push @WAIT_FOR_TICK_BEGIN, $signal;
3044	$signal->wait;	4322	$signal->wait;
3045	}	4323	}
3046		4324
3047	my $min = 1e6;#d#	4325	sub tick {
3048	my $avg = 10;
3049	$TICK_WATCHER = Event->timer (
3050	reentrant => 0,
3051	parked => 1,
3052	prio => 0,
3053	at => $NEXT_TICK || $TICK,
3054	data => WF_AUTOCANCEL,
3055	cb => sub {
3056	if ($Coro::current != $Coro::main) {	4326	if ($Coro::current != $Coro::main) {
3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058	unless ++$bug_warning > 10;	4328	unless ++$bug_warning > 10;
3059	return;	4329	return;
3060	}	4330	}
3061		4331
3062	$NOW = $tick_start = Event::time;	4332	cf::one_tick; # one server iteration
3063		4333
3064	cf::server_tick; # one server iteration	4334	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3065		4335
3066	0 && sync_job {#d#	4336	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3067	for(1..10) {	4337	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3068	my $t = Event::time;	4338	Coro::async_pool {
3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4339	$Coro::current->{desc} = "runtime saver";
3070	or die;	4340	write_runtime_sync
3071		4341	or error "ERROR: unable to write runtime file: $!";
3072	$map->width (50);
3073	$map->height (50);
3074	$map->alloc;
3075	$map->_load_objects ("/tmp/x.map", 1);
3076	my $t = Event::time - $t;
3077
3078	#next unless $t < 0.0013;#d#
3079	if ($t < $min) {
3080	$min = $t;
3081	}
3082	$avg = $avg * 0.99 + $t * 0.01;
3083	}
3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085	exit 0;
3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087	};	4342	};
		4343	}
3088		4344
3089	$RUNTIME += $TICK;
3090	$NEXT_TICK += $TICK;
3091
3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
3094	Coro::async_pool {
3095	write_runtime
3096	or warn "ERROR: unable to write runtime file: $!";
3097	};
3098	}
3099
3100	# my $AFTER = Event::time;
3101	# warn $AFTER - $NOW;#d#
3102
3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4345	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104	$sig->send;	4346	$sig->send;
3105	}	4347	}
3106	while (my $sig = shift @WAIT_FOR_TICK) {	4348	$WAIT_FOR_TICK->broadcast;
3107	$sig->send;
3108	}
3109		4349
3110	$NOW = Event::time;	4350	$LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112	# if we are delayed by four ticks or more, skip them all
3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115	$TICK_WATCHER->at ($NEXT_TICK);
3116	$TICK_WATCHER->start;
3117
3118	$LOAD = ($NOW - $tick_start) / $TICK;
3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120		4352
3121	_post_tick;	4353	if (0) {
3122		4354	if ($NEXT_TICK) {
3123		4355	my $jitter = $TICK_START - $NEXT_TICK;
		4356	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4357	debug "jitter $JITTER\n";#d#
		4358	}
3124	},	4359	}
3125	);	4360	}
3126		4361
3127	{	4362	{
3128	BDB::max_poll_time $TICK * 0.1;	4363	# configure BDB
3129	$BDB_POLL_WATCHER = Event->io (	4364	info "initialising database";
3130	reentrant => 0,	4365
3131	fd => BDB::poll_fileno,
3132	poll => 'r',
3133	prio => 0,
3134	data => WF_AUTOCANCEL,
3135	cb => \&BDB::poll_cb,
3136	);
3137	BDB::min_parallel 8;	4366	BDB::min_parallel 16;
3138		4367	BDB::max_poll_reqs $TICK * 0.1;
3139	BDB::set_sync_prepare {	4368	#$AnyEvent::BDB::WATCHER->priority (1);
3140	my $status;
3141	my $current = $Coro::current;
3142	(
3143	sub {
3144	$status = $!;
3145	$current->ready; undef $current;
3146	},
3147	sub {
3148	Coro::schedule while defined $current;
3149	$! = $status;
3150	},
3151	)
3152	};
3153		4369
3154	unless ($DB_ENV) {	4370	unless ($DB_ENV) {
3155	$DB_ENV = BDB::db_env_create;	4371	$DB_ENV = BDB::db_env_create;
		4372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4373	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4374	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4375	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4376	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3156		4377
3157	cf::sync_job {	4378	cf::sync_job {
3158	eval {	4379	eval {
3159	BDB::db_env_open	4380	BDB::db_env_open
3160	$DB_ENV,	4381	$DB_ENV,
…		…
3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4383	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4384	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164	0666;	4385	0666;
3165		4386
3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4387	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169	$DB_ENV->set_lk_detect;
3170	};	4388	};
3171		4389
3172	cf::cleanup "db_env_open(db): $@" if $@;	4390	cf::cleanup "db_env_open(db): $@" if $@;
3173	};	4391	};
3174	}	4392	}
		4393
		4394	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4395	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4396	};
		4397	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4398	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4399	};
		4400	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4401	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4402	};
		4403
		4404	info "database initialised";
3175	}	4405	}
3176		4406
3177	{	4407	{
		4408	# configure IO::AIO
		4409
		4410	info "initialising aio";
3178	IO::AIO::min_parallel 8;	4411	IO::AIO::min_parallel 8;
3179
3180	undef $Coro::AIO::WATCHER;
3181	IO::AIO::max_poll_time $TICK * 0.1;	4412	IO::AIO::max_poll_time $TICK * 0.1;
3182	$AIO_POLL_WATCHER = Event->io (	4413	undef $AnyEvent::AIO::WATCHER;
3183	reentrant => 0,	4414	info "aio initialised";
3184	data => WF_AUTOCANCEL,
3185	fd => IO::AIO::poll_fileno,
3186	poll => 'r',
3187	prio => 6,
3188	cb => \&IO::AIO::poll_cb,
3189	);
3190	}	4415	}
3191		4416
3192	my $_log_backtrace;	4417	our $_log_backtrace;
		4418	our $_log_backtrace_last;
3193		4419
3194	sub _log_backtrace {	4420	sub _log_backtrace {
3195	my ($msg, @addr) = @_;	4421	my ($msg, @addr) = @_;
3196		4422
3197	$msg =~ s/\n//;	4423	$msg =~ s/\n$//;
3198		4424
		4425	if ($_log_backtrace_last eq $msg) {
		4426	LOG llevInfo, "[ABT] $msg\n";
		4427	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3199	# limit the # of concurrent backtraces	4428	# limit the # of concurrent backtraces
3200	if ($_log_backtrace < 2) {	4429	} elsif ($_log_backtrace < 2) {
		4430	$_log_backtrace_last = $msg;
3201	++$_log_backtrace;	4431	++$_log_backtrace;
		4432	my $perl_bt = Carp::longmess $msg;
3202	async {	4433	async {
		4434	$Coro::current->{desc} = "abt $msg";
		4435
3203	my @bt = fork_call {	4436	my @bt = fork_call {
3204	@addr = map { sprintf "%x", $_ } @addr;	4437	@addr = map { sprintf "%x", $_ } @addr;
3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3207	or die "addr2line: $!";	4440	or die "addr2line: $!";
…		…
3215	}	4448	}
3216		4449
3217	@funcs	4450	@funcs
3218	};	4451	};
3219		4452
3220	LOG llevInfo, "[ABT] $msg\n";	4453	LOG llevInfo, "[ABT] $perl_bt\n";
		4454	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3221	LOG llevInfo, "[ABT] $_\n" for @bt;	4455	LOG llevInfo, "[ABT] $_\n" for @bt;
3222	--$_log_backtrace;	4456	--$_log_backtrace;
3223	};	4457	};
3224	} else {	4458	} else {
3225	LOG llevInfo, "[ABT] $msg\n";	4459	LOG llevInfo, "[ABT] $msg\n";
3226	LOG llevInfo, "[ABT] [suppressed]\n";	4460	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3227	}	4461	}
3228	}	4462	}
3229		4463
3230	# load additional modules	4464	# load additional modules
3231	use cf::pod;	4465	require "cf/$_.pm" for @EXTRA_MODULES;
		4466	cf::_connect_to_perl_2;
3232		4467
3233	END { cf::emergency_save }	4468	END { cf::emergency_save }
3234		4469
3235	1	4470	1
3236		4471

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